US5309750AExpiredUtility

Pouch tester

55
Individually held — no corporate assignee on recordPriority: Apr 18, 1990Filed: Apr 5, 1991Granted: May 10, 1994
Est. expiryApr 18, 2010(expired)· nominal 20-yr term from priority
Inventors:David Riley
G01N 3/12G01M 3/3218G01M 3/36
55
PatentIndex Score
22
Cited by
4
References
2
Claims

Abstract

A portable device for testing a pouch containing a flowable substance and manufactured from flexible film. The device includes two plates. One of the plates is moveable towards the other and one has a pressure sensor mounted flush with a surface which faces the pouch to be tested. The pouch is placed between the plates and they are moved together, pressing the pressure sensor against the pouch.

Claims

exact text as granted — not AI-modified
I claim: 
     
       1. A portable apparatus for testing a pouch which contains a flowable material and is made from a flexible substantially gas impermeable thermoplastic polymeric film, said apparatus comprising two plates, at least one of which is moveable towards the other plate, a first plate of said plates having a pressure sensing device located thereon, said pressure sensing device having a diaphragm flush with a portion of said first plate which is intended to be in contact with said pouch, such that when the pouch is placed between the two plates and squeezed therebetween by said plates, the film of the pouch presses against the pressure sensing device. 
     
     
       2. An apparatus according to claim 1 wherein the two plates are hingedly connected.

Join the waitlist — get patent alerts

Track US5309750A — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.